Hospitality, or showing love to strangers, is a Christian duty (Rom. 12:13). It does not require fine china, multiple courses, or perfectly clean and decorated homes. It requires that we share our time, homes, meals, and fellowship with others--and if we understand salvation as God showing hospitality to former enemies, we will want to do so. Thinking through the practical issues of inviting people into our homes can make practicing it easier. This...